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Valve adjustment settings - VZ 800 Marauder Suzuki Motorcycles

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How do you adjust idle speed 1991 johnson 100 hp


not important, what's important is that they are absolutely clean, including the four brass high speed jets located in the bottom center portion of the carburetor.

That model engine's carburetors has fixed jets, BUT if the slow speed jets are adjustable, earlier model carburetors have been installed. If so...................

The four adjustable needle valves control the flow of fuel in relation to the set air flow, adjusted as follows (if needed).

(Dual Carb V/4 With 4 (2 each carb) Slow Speed Adjustable N/Valves)
(J. Reeves)

The adjustment procedure of the carburetor slow speed needle valves follows. NOTE... if the needle valves turn too freely, replace the nylon bearing retainer (the nylon item at the front of the carb that the needle valve goes through first) with the newer type RED retainer #315232. If your engine has that weird linkage that connects all four of those needle valves, the newer RED retainers will enable you to discard that linkage. The RED retainers make it impossible for the needle valves to vibrate out of adjustment.

(Carburetor Adjustment - 2 Slow Speed Adjustable Needle Valves, each carburetor)

Initial setting is: All (4) Slow speed valves = seat gently, then open 1-1/2 turns.

Facing the carburetors, start with the top left needle valve, then the top right valve, then the bottom let valve, then the bottom right valve. It may be necessary to redo these steps to get the adjustments ideally set

Start engine and set the rpms to where it just stays running. In segments of 1/8 turns, start to turn the S/S needle valve in. Wait a few seconds for the engine to respond. As you turn the valve in, the rpms will increase. Lower the rpms again to where the engine will just stay running.

Eventually you'll hit the point where the engine wants to die out or it will spit back (sounds like a mild backfire). At that point, back out the valve 1/4 turn. Within that 1/4 turn, you'll find the smoothest slow speed setting.

Do not attempt to gradually adjust all four of the valves at the same time. Do one at a time until you hit the above response (die out or spit back), then go on to the next valve.

When you have finished the above adjustment, you will have no reason to move them again unless the carburetor fouls/gums up from sitting, in which case you would be required to remove, clean, and rebuild the carburetor anyway.

Jun 28, 2017 | Cars & Trucks

1 Answer

What is the clearance between the rocker arm and the valve spring in a GM 2.2L motor


there is no specification for what you want
the valve clearance is between the end of the rocker arm and the end if the valve stem
the stem end is proud of the spring retainer so if your rocker arm is touching the spring retainer , you have a big problem as for the procedure it is set out in the workshop manual but if you don't have a manual it can be done like this
you will need the firing order of the engine first
now adjust no 1 piston valves when the next piston to fire has the valves in the rock position
that is the exhaust valve just closing as the inlet is just opening a bit of movement of the crank makes either valve move up or down
adjust no 1 piston valves
now move on to the next piston to fire and adjust the valves that were rocking
follow that procedure until all the valves are adjusted
for example
on a 4 cylinder engine with a firing order of 1--3--4--2
bring up no 1 piston and adjust the valves when the valves on no 3 piston are rocking
next piston to fire is no 4 so adjust no 2 piston valves
next piston to fire is no 2 so adjust the valves when no 1 valves are rocking
the procedure is the same for engines with any number of cylinders

Oct 19, 2016 | Cars & Trucks

1 Answer

Send the valve settings for a toyota 3L engine


Valve setting? Most engine valves have an automatic adjuster to self adjust the setting. You didn't say you had it apart. So, I'm thinking you have a dirty condition that would make the adjuster or valve tap. If so good additives just for both those conditions can restore the adjusting by cleaning and freeing the ailing parts. Try the link below for more info and needed product. Stops noisy engine valve tap in 10 minutes or free Add Driving ends tap

Nov 04, 2014 | 2007 Toyota Hilux 2.7

1 Answer

What is the sequence for valve timing adjustment IE when No 1 cyl intake is fully open which vale is adjusted ?? and so on


NONE you set valves with #1 cylinder at (TDC) both valves closed then you adjust that cylinder, follow firing order , roll motor over till #2 cylinder is at compression stroke and set valves and so on ,its best to do them one at a time .no mistakes

Sep 27, 2014 | Cars & Trucks

1 Answer

Valve settings


- Pull the hand brake and put transmission in neutral.
- Remove spark plug cords.
- Remove the spark plugs.
- Remove the Tappet cover
- Lift up the left front wheel.
Cylinder number 1 is toward the pulleys and belts side.
- Rotate the crankshaft anticlockwise with socket and extension rod and bring the valve tappets (intake and exhaust) No. 4 cylinder on dancing position.
NOTE: THERE ARE OTHER WAYS ALSO TO ADJUST THE FOUR VALVES AT A TIME. BUT AS DIY FOLLOW THE FOLLOWING METHOD TO AVOID ANY CONFUSION.
- Adjust the valve clearance of number 1 cylinder.
Valve clearance:
Intake 0.18 - 0.22 (cold) Exhaust 0.25 - 0.28 (cold)
- Rotate the crankshaft anticlockwise to bring the valves of cylinder 2 on dancing position and adjust the valves of No. 3 cylinder.
- Similarly rotate the crankshaft to bring the valves of No. 1 cylinder on dancing position and adjust the valves of No. 4.
- Rotate the crankshaft anticlockwise to bring the valves of cylinder No. 3 on dancing position and adjust the valve clearance of No. 2 cylinder.

May 04, 2013 | 1999 Honda Civic

1 Answer

Need to find out how to adjust vavles


If your engine is an overhead valve Briggs. You need to:
Remove valve cover
Locate rocker arms. Upper is exhaust, Lower is intake.
Loosen the lock screw in the center of the adjusting nut.
With engine at TDC and both valves closed adjust both valves by turning the adjusting nut to obtain proper clearance. Once set, tighten the center lock screw.
Valve adjustment specifications vary from model to model. Would need more engine information to get you that or it can be found online.
Reinstall valve cover, make sure gasket did not get damaged.
Adjust valves on a "cold" engine.

Feb 11, 2011 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

2 Answers

Need help with valve adjustment specs


Exhaust power valve adjustment for "stock setting" is: 1/2 turn out from closed.

Apr 08, 2010 | 2004 Suzuki RM-Z 250

1 Answer

How to adjust valves.


The intake valves set at .006 plus or minus .001
The exhaust valves set at .008 plus or minus .001
Remove the rectangular valve access covers at the top front and top rear of the cylinder head. With the engine cold, remove the spark plug. Turn the flywheel to TDC compression then place the specified thickness flat feeler gauge between the top of the valve stem and the adjuster on the rocker arm. Set the adjuster so that there is a slight drag when removing the gauge. There should be a valve adjusting tool set in your tool kit. It is a "pin" that fits the top of the adjuster and an open wrench to loosen and tighten the lock nut on the adjuster.
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A “very helpful” rating for this answer? Thanks!

Jun 21, 2009 | 2004 Honda XR 650 L

1 Answer

Valve adjustment


tiburon uses hydrolic lash adjusters there are no valve lash adjusting If you hearing a pecking sound on the top of the mtr try some oil additive or replace the hydrolic lash adjusters

Jun 15, 2009 | 2001 Mitsubishi Eclipse

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